Linux-2.6.12-rc2
[linux-2.6.git] / arch / cris / arch-v10 / kernel / setup.c
1 /*
2  *
3  *  linux/arch/cris/arch-v10/kernel/setup.c
4  *
5  *  Copyright (C) 1995  Linus Torvalds
6  *  Copyright (c) 2001-2002  Axis Communications AB
7  */
8
9 /*
10  * This file handles the architecture-dependent parts of initialization
11  */
12
13 #include <linux/config.h>
14 #include <linux/seq_file.h>
15 #include <linux/proc_fs.h>
16 #include <linux/delay.h>
17
18 #ifdef CONFIG_PROC_FS
19 #define HAS_FPU         0x0001
20 #define HAS_MMU         0x0002
21 #define HAS_ETHERNET100 0x0004
22 #define HAS_TOKENRING   0x0008
23 #define HAS_SCSI        0x0010
24 #define HAS_ATA         0x0020
25 #define HAS_USB         0x0040
26 #define HAS_IRQ_BUG     0x0080
27 #define HAS_MMU_BUG     0x0100
28
29 static struct cpu_info {
30         char *model;
31         unsigned short cache;
32         unsigned short flags;
33 } cpu_info[] = {
34         /* The first four models will never ever run this code and are
35            only here for display.  */
36         { "ETRAX 1",         0, 0 },
37         { "ETRAX 2",         0, 0 },
38         { "ETRAX 3",         0, HAS_TOKENRING },
39         { "ETRAX 4",         0, HAS_TOKENRING | HAS_SCSI },
40         { "Unknown",         0, 0 },
41         { "Unknown",         0, 0 },
42         { "Unknown",         0, 0 },
43         { "Simulator",       8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA },
44         { "ETRAX 100",       8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG },
45         { "ETRAX 100",       8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA },
46         { "ETRAX 100LX",     8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU | HAS_MMU_BUG },
47         { "ETRAX 100LX v2",  8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU  },
48         { "Unknown",         0, 0 }  /* This entry MUST be the last */
49 };
50
51 int show_cpuinfo(struct seq_file *m, void *v)
52 {
53         unsigned long revision;
54         struct cpu_info *info;
55
56         /* read the version register in the CPU and print some stuff */
57
58         revision = rdvr();
59
60         if (revision >= sizeof cpu_info/sizeof *cpu_info)
61                 info = &cpu_info[sizeof cpu_info/sizeof *cpu_info - 1];
62         else
63                 info = &cpu_info[revision];
64
65         return seq_printf(m,
66                        "processor\t: 0\n" 
67                        "cpu\t\t: CRIS\n"
68                        "cpu revision\t: %lu\n"
69                        "cpu model\t: %s\n"
70                        "cache size\t: %d kB\n"
71                        "fpu\t\t: %s\n"
72                        "mmu\t\t: %s\n"
73                        "mmu DMA bug\t: %s\n"
74                        "ethernet\t: %s Mbps\n"
75                        "token ring\t: %s\n"
76                        "scsi\t\t: %s\n"
77                        "ata\t\t: %s\n"
78                        "usb\t\t: %s\n"
79                        "bogomips\t: %lu.%02lu\n",
80
81                        revision,
82                        info->model,
83                        info->cache,
84                        info->flags & HAS_FPU ? "yes" : "no",
85                        info->flags & HAS_MMU ? "yes" : "no",
86                        info->flags & HAS_MMU_BUG ? "yes" : "no",
87                        info->flags & HAS_ETHERNET100 ? "10/100" : "10",
88                        info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no",
89                        info->flags & HAS_SCSI ? "yes" : "no",
90                        info->flags & HAS_ATA ? "yes" : "no",
91                        info->flags & HAS_USB ? "yes" : "no",
92                        (loops_per_jiffy * HZ + 500) / 500000,
93                        ((loops_per_jiffy * HZ + 500) / 5000) % 100);
94 }
95
96 #endif /* CONFIG_PROC_FS */
97
98 void
99 show_etrax_copyright(void)
100 {
101         printk(KERN_INFO
102                "Linux/CRIS port on ETRAX 100LX (c) 2001 Axis Communications AB\n");
103 }